ISBN in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 561st ScottHamper 806 96 437ms 26 Feb 2022 561st stefangimmillaro 806 96 419ms 5 Jan 2023 561st bojernico 806 96 449ms 6 Apr 2023 564th edsrzf 🇳🇿 806 114 7ms 22 Aug 2025 565th emgordon154 806 234 1,451ms 18 Apr 2025 565th error256 806 234 1,450ms 8 Feb 2026 567th emgordon154 805 125 6ms 27 days ago 568th h3ra993huskp 🇯🇵 805 133 496ms 30 Nov 2025 569th scpchicken 🇵🇼 804 58 3ms 22 Feb 2023 569th blaztoma 🇱🇹 804 58 5ms 23 days ago 571st Babafaba 804 94 475ms 28 Nov 2025 571st snoozingnewt 🇨🇦 804 94 497ms 20 Feb 2026 573rd mtirado1 804 108 2ms 6 May 2023 574th typeswitch-dev 🇵🇹 804 121 8ms 14 Aug 2023 575th kg583 🇺🇸 804 155 34ms 11 days ago 576th btjones0 803 110 9ms 25 Jan 2022 576th adamnielson42 🇺🇸 803 110 10ms 25 Apr 2023 576th sultan 803 110 10ms 24 Feb 2024 576th fgrosshans 🇫🇷 803 110 10ms 16 Jul 2024 576th InigoK 🇺🇸 803 110 9ms 22 Sep 2025 576th albanian-laundromat 803 110 10ms 7 Nov 2025 576th vhoulbreque 🇫🇷 803 110 10ms 25 Nov 2025 576th scpchicken 🇵🇼 803 110 11ms 2 hours ago 584th madex 🇩🇪 803 115 2ms 10 Apr 2022 584th FragmentedCurve 803 115 2ms 22 Nov 2023 584th mathisfun271 803 115 2ms 5 Feb 2024 587th Shanethegamer 🇺🇸 803 168 25ms 28 Apr 2022 588th Shanethegamer 🇺🇸 800 89 133ms 8 Jan 2025 588th emplv 🇱🇻 800 89 135ms 28 Mar 2025 588th ovs-code 🇩🇪 800 89 139ms 17 Apr 2025 591st stefangimmillaro 800 152 152ms 28 Oct 2023 592nd akshatj27 🇦🇶 799 68 35ms 10 Jan 2022 592nd SirBogman 🇺🇸 799 68 42ms 19 May 2022 592nd Shanethegamer 🇺🇸 799 68 35ms 27 May 2022 592nd Haksell 🇦🇶 799 68 37ms 23 Feb 2023 592nd anter69 🇭🇺 799 68 38ms 20 Nov 2023 597th GolfingSuccess 🇬🇷 799 156 34ms 7 days ago 598th Yewzir 🇧🇪 799 185 1,707ms 21 May 2024 599th igmcdowell 798 89 11ms 24 Feb 2022 599th inventshah 798 89 10ms 21 Jun 2022 599th olleicua 🇺🇸 798 89 9ms 3 Feb 2024 599th kpal81xd 798 89 10ms 15 Sep 2024 603rd adyache 🇺🇸 798 92 9ms 2 Aug 2023 604th Shanethegamer 🇺🇸 797 115 374ms 21 Apr 2022 605th neihousaigaai 796 111 10ms 11 Jan 2022 605th knutae 🇳🇴 796 111 9ms 18 Jan 2022 605th rschwa6308 🇺🇸 796 111 10ms 22 Mar 2023 605th zbreit 🇺🇸 796 111 9ms 22 Mar 2023 605th plcc0 796 111 10ms 3 Mar 2025 605th emgordon154 796 111 10ms 25 Mar 2025 605th BREMAUCY 🇫🇷 796 111 10ms 15 Apr 2025 605th now4est 🇯🇵 796 111 10ms 25 Sep 2025 613th MeWhenI 🇻🇦 796 116 2ms 5 Jul 2024 614th SirBogman 🇺🇸 795 39 41ms 4 Oct 2022 615th prplz 🇦🇺 795 70 305ms 19 Jan 2022 615th SirBogman 🇺🇸 795 70 295ms 19 May 2022 617th ovs-code 🇩🇪 795 153 226ms 21 Jun 2023 618th error256 794 74 1,136ms 13 Feb 2026 619th Salutations45 792 66 2ms 2 Jan 2025 620th KrausRaus 🇺🇸 792 106 4ms 11 Nov 2023 621st GrayJoKing 🇦🇺 791 59 3ms 14 Jan 2022 621st Shanethegamer 🇺🇸 791 59 3ms 20 Jun 2022 623rd Shanethegamer 🇺🇸 791 90 2,641ms 28 Oct 2024 623rd DialFrost 🇸🇬 791 90 131ms 3 Nov 2024 625th sean-niemann 🇺🇸 791 127 40ms 1 Dec 2023 626th tomh1012 790 98 437ms 31 Jan 2022 626th pkim 790 98 450ms 6 Apr 2023 626th danielxbauer 790 98 459ms 6 Apr 2023 626th meinsiedler 790 98 412ms 6 Apr 2023 626th postie77 790 98 461ms 8 May 2023 631st m-tkach 🇺🇦 790 117 1ms 11 Jan 2022 631st prestosilver 🇺🇸 790 117 2ms 16 Dec 2025 633rd weliveinhell 🇭🇹 789 90 10ms 11 Jan 2024 634th guilhem-roy 🇫🇷 789 112 9ms 5 Jun 2022 634th ahmetdemirag 🇨🇾 789 112 10ms 30 Jun 2024 634th CommandLeo 🇮🇹 789 112 10ms 3 Nov 2025 634th denkyuu1 789 112 10ms 23 Feb 2026 638th lynn 789 154 158ms 11 Mar 2022 638th The3gs 789 154 157ms 18 Aug 2023 640th 4hg 🇺🇸 788 69 35ms 30 Nov 2022 First Prev 561–640 of 1,632 Next Last